Table 1.
Baseline characteristics of participants assigned to cognitive-behavioral therapy and guided self-help (CBT-GSH) or to usual care for binge eating
| Usual care (N=79) |
CBT-GSH (N=81) |
||||||
|---|---|---|---|---|---|---|---|
| Characteristic | N | % | N | % | Test statistic |
df | p |
| Age (M±SD) | 38.51±6.52 | 39.58±6.89 | t=−1.01 | 158 | .313 | ||
| Education: at least some college | 66 | 84 | 68 | 84 | X2=01 | 1 | .944 |
| Race-ethnicitya | |||||||
| Non-Hispanic white | 66 | 84 | 80 | 99 | X2=11.61 | 1 | .001 |
| Hispanic | 7 | 9 | 0 | — | X2=7.51 | 1 | .006 |
| Body mass index (M±SD)b | 31.52±6.29 | 31.42±5.60 | t=11 | 157 | .940 | ||
| Comorbid depression or anxiety | 28 | 35 | 27 | 33 | X2=.08 | 1 | .777 |
| Disordered eating symptomatology (past 28 days) |
|||||||
| Days of binge eating (M±SD) | 13.27±6.33 | 15.83±7.47 | t=2.31 z=2.10 |
156 1 |
.022 .036 |
||
| Self-reported purgingc | 21 | 27 | 22 | 27 | t=.01 | 1 | .934 |
a
An additional 7 participants did not report their race-ethnicity or reported “other” race-ethnicity.
b
Weight in kilograms divided by height in meters squared. An index above 30 indicates obesity.
c
Purging included self-induced vomiting, use of laxatives, or both.